Home / 188,410-409,543

Finding the Third Proportional to 188,410 and 409,543

Calculator

Solution

The third proportional to 188,410 and 409,543 is: 890,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,410 : 409,543 = 409,543 : x
  2. Step 2: Convert to fraction form
    188,410/409,543 = 409,543/x
  3. Step 3: Cross multiply
    188,410x = 409,543 × 409,543
  4. Step 4: Simplify right side
    188,410x = 167,725,468,849
  5. Step 5: Solve for x
    x = 167,725,468,849/188,410
  6. Step 6: Final answer
    x = 890,215.32

Related Problems

Find third proportional to 94,205 and 204,771.50
Half scale
Find third proportional to 376,820 and 819,086
Double scale
Find third proportional to 188,412 and 409,547
Similar ratio
Find third proportional to 282,615 and 614,314.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.